<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
    <style>
      /* * {
        margin: 0;
        padding: 0;
      } */
    </style>
  </head>
  <body>
    <div id="app">
      <ul>
        <li v-for="item in list" :key="item.id">{{item.name}}</li>
        <!-- <li>帅哥</li>
        <li>美女</li>
        <li>程序员</li> -->
      </ul>
      <button @click="move">走一走</button>
    </div>
    <script src="../vue.js"></script>
    <script>
      const app = new Vue({
        el: '#app',
        data: {
          list: ['帅哥', '美女', '程序员']
        },
        methods: {
          move() {
            let newList = this.list.shift()
            this.list.push(newList)
          }
        }
      })
    </script>
  </body>
</html>
